Calculating for slope:
y2-y1 = m(x2-x1)
7-2 = m(2-1)
m= 5
y=mx+b
y=5x+2
Answer:
-53/12
Step-by-step explanation:
Answer:
The original price was $43.50
Step-by-step explanation:
Let
x ----> the original price of a video game
we know that
1) The price of a video game increases by 20%
so

The final price is equal to the original price multiplied by 1.20
so

2) The price of a video game decreases by 10%
so

The final price is equal to the price at this moment multiplied by 0.90
so

we have that

solve for x

Answer:
Step-by-step explanation:
w^3 + 4w^2 + 5w - 12